EP0249468A2 - Photopolymerizable composition - Google Patents
Photopolymerizable composition Download PDFInfo
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- EP0249468A2 EP0249468A2 EP87305155A EP87305155A EP0249468A2 EP 0249468 A2 EP0249468 A2 EP 0249468A2 EP 87305155 A EP87305155 A EP 87305155A EP 87305155 A EP87305155 A EP 87305155A EP 0249468 A2 EP0249468 A2 EP 0249468A2
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/025—Non-macromolecular photopolymerisable compounds having carbon-to-carbon triple bonds, e.g. acetylenic compounds
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/027—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds
Definitions
- the present invention relates to a novel photopolymerizable composition having excellent properties for use as a solder resist in production of printed circuit boards or as an electroless plating resist and therefore suited for use in preparation of a permanent protective mask. More particularly, the present invention relates to a photopolymerizable composition suited for use as a contact exposure type solder photoresist for printed circuit boards on which the resist is applied and, after removing the solvent, image exposure and development are conducted to form a desired pattern.
- the coating film formed from these compositions has tackiness, but since these compositions are intended to be used as screen ink for forming images by printing and no step of image exposure through a mask is involved, the surface tackiness poses no problem. However, in the case of the resist forming method of the present invention wherein image exposure is made through a mask, the surface tackiness becomes a serious problem. Also, in the case of screen ink, sensitivity at the time of image exposure and developing performance offer no problem since no step of image exposure and development is involved, but they become a problem in the case of the resist forming method of the present invention.
- R1 to R3 represent hydrogen atom, or and two or more of them are not hydrogen atom at the same time).
- the object of the present invention is to provide a coating solvent-removing type photosensitive resist composition containing a specific high-molecular compound, in which in the case of having formed a coating film after removing the solvent, the thus obtained coating film shows small in tackiness, high in sensitivity at the time of image exposure through a mask and excellent in developability.
- a photopolymerizable composition containing at least (A) a high-molecular compound with a weight-average molecular weight of not less than 10,000 having a polymerizable double bond in the side chain, and (B) a polymerizable monomer represented by the following formula (I): (wherein R1, R2 and R3 represent hydrogen atom, or and two or more of them are not hydrogen atom at the same time).
- the first component (A) of the composition of the present invention is a high-molecular compound with a weight-average molecular weight of not less than 10,000 having a polymerizable double bond in the side chain.
- This compound when combined with a polymerizable monomer represented by the formula (I) of the second component, produces a specific synergistic effect to provide a coating film which shows low tackiness, high sensitivity, good developability and excellent solvent resistance.
- Typical examples of such high-molecular compound are polymers made by esterification-introducing (meth)acrylic acid into (meth)acrylic polymers containing hydroxyethyl (meth)acrylate or hydroxypropyl (meth)acrylate singly or as a copolymer; polymers made by esterification-introducing (meth)acrylic acid into the hydroxyl group of phenoxy resin; polymers made by esterification-introducing (meth)allyl group into the hydroxyl group of phenoxy resin; polymers made by addition-modifying glycidyl (meth)acrylate with the hydroxyl group of phenoxy resin; (co)polymers of diallyl (iso)phthalate and/or triallyl isocyanurate; polymers made by esterification-introducing (meth)acrylic acid, crotonic acid, cinnamic acid or the like to (co)polymers of glycidyl (meth)acrylate; polymers made by addition-introducing gly
- a weight-average molecular weight of these high-molecular compounds needs not less than 10,000 for producing the desired synergistic effect in combination with a polymerizable monomer (B) of the formula (I) which is the second component of the composition of the present invention. It is especially preferable in terms of coatability, coating film surface tackiness and chemical resistance that the weight-average molecular weight of the high-molecular compound is in the range of 30,000 to 300,000.
- the second component (B) of the composition of the present invention is a polymerizable monomer represented by the formula (I): (wherein R1 to R3 represent hydrogen atom, or and two or more of them are not hydrogen atom at the same time).
- Typical examples of such polymerizable monomer are tris(meth)acrylolyoxyethyl isocyanurate, tris(meth)acryloyloxypropyl isocyanurate, and di(meth)acryloyloxyethylhydroxyethyl isocyanurate.
- these polymerizable monomers having a weight-average molecular weight of not less than 10,000 and a polymerizable double bond in the side chain in combination with a high-molecular compound (A) and forming a coating film after removing the solvent, these polymerizable monomers can provide a coating film which is small in tackiness, not adherent to the mask film and high in sensitivity.
- the third component is at least one substance selected from N-vinyl-2-pyrrolidone, monomers having the structural units represented by the following formula (II) and urethane (meth)acrylate compounds. (wherein n represents an integer from 5 to 25, and R7 represents hydrogen atom or a methyl group).
- this third component improves adhesiveness to the glass epoxy substrate, paper phenol substrate, copper surface and solder surface.
- reaction products obtained by reacting diisocyanate compounds with compounds having one (meth)acrylate group and one hydroxyl group in the molecule reaction products obtained by reacting compounds having (meth)acrylate group and hydroxyl group in the molecule with diisocyanate compounds obtained by reacting diol compounds and diisocyanate compounds may be examplified.
- diisocyanate compounds lysine diisocyanate, hexamethylene diisocyanate, trimethylhexamethylene diisocyanate, diphenylmethane diisocyanate, hydrogenated diphenylmethane diisocyanate, toluene diisocyanate, hydrogenated toluene diisocyanate and the like may be examplified.
- diol compounds ethylene glycol, propylene glycol, diethylene glycol, butanediol, hexanediol, neopentyl glycol, hexylene glycol, dihydroxyethyl ether of bisphenol A, dihydroxyethyl ether of hydrogenated bisphenol A, cyclohexane dimethanol, dihydroxyethyl ether of bisphenol A tetrabromide, and diol-terminated polyester compounds may be exemplified
- benzoin benzoin alkyl ethers, anthraquinone derivatives, benzanthrone derivatives, 2,2-dimethoxy-2-phenylacetone, 1-hydroxycyclohexyl phenyl ketone, 2-methyl-[4-(methylthio)phenyl]-2-morpholino-1-propanone, benzyl derivatives, benzophenone derivatives, 4,4 ⁇ -bis-dimethylaminobenzophenone, xanthone derivatives, thioxanethone derivatives, biimidazoles, trichloromethyl-s-triazines, 3,4,3 ⁇ ,4 ⁇ -tetra(t-butylperoxycarbonyl)benzophenone, and combinations of these compounds with pigments, amine compounds such as dialkylaminobenzoic acid alkyl esters, allythiourea, N-phenyl
- the coating solvent (E) there can be used any of those having a proper melting point and capable of dissolving the composition, the examples thereof being methyl ethyl ketone, methyl isopropyl ketone, methyl isobutyl ketone, methyl cellosolve, ethyl cellosolve, butyl cellosolve, propylene glycol monomethyl ether, propylene glycol monoethyl ether, cyclohexanone, cellosolve acetate, carbitol, and carbitol acetate.
- the high-molecular compound (A) which is an essential component of the photopolymerizable composition of the present invention, and have a weight-average molecular weight of not less than 10,000 and a polymerizable double bond in the side chain is contained in an amount of 10 to 80% by weight, preferably 10 to 50% by weight based on the total solid content excluding the coating solvent.
- the polymerizable monomer (B) of the formula (I) which is another essential component of the composition of the present invention is contained in an amount of 10 to 70% by weight, preferably 15 to 50% by weight based on the total solid content.
- the compound (C) is used in an amount of not more than 40% by weight, preferably 5 to 25% by weight based on the total solid content.
- the photopolymerization initiator (D) is used in an amount of 0.05 to 10% by weight, preferably 0.3 to 6% by weight based on the total solid content.
- composition of the present invention may further contain an ordinary (meth)acrylate compound such as epoxy (meth)acrylate compounds, ester (meth)acrylate compounds and the like.
- an ordinary (meth)acrylate compound such as epoxy (meth)acrylate compounds, ester (meth)acrylate compounds and the like.
- inorganic fine particles of not more than 10 ⁇ m in average diameter.
- talc calcium carbonate, silica, barium sulfate, clay, kaolin and the like can be used as such particles.
- the amount of such inorganic fine particles added is in the range of 10 to 50% by weight based on the total solid content.
- additives such as heat polymerization inhibitor, colorant, plasticizer, print-out material, flame retardant, etc., may be blended as desired.
- Various coating methods such as roll coating, curtain coating, screen printing, etc., can be employed for coating the composition of the present invention on a base plate.
- curtain coating it is recommended to adjust the viscosity of the composition just before coating to 100 to 1,500 cps, preferably 150 to 500 cps.
- the solvent is removed and then the area where solder is not to be deposited is masked, followed by image exposure and development.
- a 1,1,1-trichloroethane solution or a weakly alkaline solution is preferably used as developer.
- composition of the present invention exhibits very good developability especially when these developers are used.
- composition of the present invention include permanent protective coat of electronic parts and conductors, insulating protective film for integrated circuits, other permanent protective coats and precision image resist. It can be also applied to various types of resists and printing plates.
- the photopolymerizable composition of the present invention has excellent resolving performance, high sensitivity, high solvent resistance and good adhesiveness to solder. It is also suited for forming a coating film which can serve as a protective mask, such as a solder resist for printed circuit boards.
- the compounds shown in Table 1 of the parts by weight also shown in the Table 1, and 1 part by weight of benzophenone, 0.4 parts by weight of Michler's ketone and 0.2 parts by weight of phthalocyanine green were dissolved or dispersed in 100 parts by weight of methyl cellosolve to form a photosensitive solution (400 cps in viscosity), and this solution was coated on a printed circuit board by using a curtain coater and dried to obtain a 70 ⁇ m thick coating film.
- the viscosity was measured by an E type viscometer at a rotor speed of 20 r.p.m. in a state where the photo-sensitive solution was moving to an extent that the thixotropy of the solution wouldn't substantially take place.
- the coating film was exposed through an image masking film by a 2 KW ultra-high pressure mercury lamp from a distance of 60 cm, and the degree of adhesion of the masking film was evaluated.
- the coating film was subjected to spray development with a 1,1,1-trichloroethane developing-solution for 2 minutes to obtain a resist image.
- the film was exposed by using a high-pressure mercury lamp of 80 W/cm in light intensity from a distance of 20 cm at a conveyor speed of 1 m/min and then subjected to a heat treatment at 135°C for 20 minutes to prepare a sample for evaluation. The results are shown in Table 1.
- the number of solid steps was recorded by using Kodak 21-Step Wedge.
- the resist provided on a solder through-holed base plate was immersed in solder of 265°C for 5 seconds, and then the resist on the solder circuit was cut into 100 equal portions and subjected to a cellophane tape peel-test, observing whether the resist was peeled off or not.
- Example 1 The samples for evaluation were prepared in the same way as Example 1 except that the compounds shown in Table 1 and 2 were used in the amounts (parts by weight) specified in the Tables 1 and 2, and they were evaluated as in Example 1. The results are shown in Tables 1 and 2.
- Mw 17 ⁇ 104
- A-IP-A (wherein A and IP represent the same as defined above)
- SP-1507 bisphenol A type epoxy acrylate produced by Showa Kobunshi K.K.
Abstract
Description
- The present invention relates to a novel photopolymerizable composition having excellent properties for use as a solder resist in production of printed circuit boards or as an electroless plating resist and therefore suited for use in preparation of a permanent protective mask. More particularly, the present invention relates to a photopolymerizable composition suited for use as a contact exposure type solder photoresist for printed circuit boards on which the resist is applied and, after removing the solvent, image exposure and development are conducted to form a desired pattern.
- Screen printing method has been popularly used for forming a solder resist used in the production of printed circuit boards. This method, however, had the problem in resolving performance and improvement thereof has been desired.
- As a resist forming technique by which excellent resolving performance is provided, there is known a method in which a liquid photosensitive composition is applied on the whole surface of a circuit-formed base plate and, after removing the solvent by heating, image exposure is made through a mask, followed by the development to form a resist patern. However, this method also had the disadvantages such as possible adhesion of the mask to the surface coat of the base plate during the exposure due to high tackiness of the coat after removal of the solvent, poor developing performance, sensitivity and solvent resistance, and unsatisfactory adherence to the solder circuit.
- Screen ink compositions for solder resist containing a compound such as trisacryloyloxyethyl isocyanurate represented by the following formula (I) and an oligomer or monomer having a molecular weight of not more than 5,000 have been known (Japanese Patent Application Laid-Open (KOKAI) Nos. 25371/83 and 51962/84):
- The coating film formed from these compositions has tackiness, but since these compositions are intended to be used as screen ink for forming images by printing and no step of image exposure through a mask is involved, the surface tackiness poses no problem. However, in the case of the resist forming method of the present invention wherein image exposure is made through a mask, the surface tackiness becomes a serious problem. Also, in the case of screen ink, sensitivity at the time of image exposure and developing performance offer no problem since no step of image exposure and development is involved, but they become a problem in the case of the resist forming method of the present invention.
- As a result of the studies for solving the problems, it has been found that a composition containing at least (A) a high-molecular compound with a weight-average molecular weight of not less than 10,000 having a polymerizable double bond in the side chain and (B) a polymerizable monomer represented by the following formula (I), in the case of having formed a coating film after removing the solvent, the thus obtained coating film showing small in tackiness, good developability, high sensitivity, solvent resistance and excellent adhesiveness to solder, and the present invention has been attained on the basis of this finding.
- The object of the present invention is to provide a coating solvent-removing type photosensitive resist composition containing a specific high-molecular compound, in which in the case of having formed a coating film after removing the solvent, the thus obtained coating film shows small in tackiness, high in sensitivity at the time of image exposure through a mask and excellent in developability.
- In an aspect of the present invention, there is provided a photopolymerizable composition containing at least (A) a high-molecular compound with a weight-average molecular weight of not less than 10,000 having a polymerizable double bond in the side chain, and (B) a polymerizable monomer represented by the following formula (I):
- The first component (A) of the composition of the present invention is a high-molecular compound with a weight-average molecular weight of not less than 10,000 having a polymerizable double bond in the side chain.
- This compound, when combined with a polymerizable monomer represented by the formula (I) of the second component, produces a specific synergistic effect to provide a coating film which shows low tackiness, high sensitivity, good developability and excellent solvent resistance.
- Typical examples of such high-molecular compound are polymers made by esterification-introducing (meth)acrylic acid into (meth)acrylic polymers containing hydroxyethyl (meth)acrylate or hydroxypropyl (meth)acrylate singly or as a copolymer; polymers made by esterification-introducing (meth)acrylic acid into the hydroxyl group of phenoxy resin; polymers made by esterification-introducing (meth)allyl group into the hydroxyl group of phenoxy resin; polymers made by addition-modifying glycidyl (meth)acrylate with the hydroxyl group of phenoxy resin; (co)polymers of diallyl (iso)phthalate and/or triallyl isocyanurate; polymers made by esterification-introducing (meth)acrylic acid, crotonic acid, cinnamic acid or the like to (co)polymers of glycidyl (meth)acrylate; polymers made by addition-introducing glycidyl (meth)acrylate to carboxyl group-containing polymers; polymers made by reacting compound containing both of hydroxyl group and (meth)acryl group with copolymers of maleic acid; and polymers made by esterification-introducing (meth)acrylic acid to vinyl acetate polymers.
- Among these polymers, those having a (meth)acryloyl group are advantageous. (Meth)acrylic polymers containing the polymerization units represented by the following formula (III) are most preferred.
- A weight-average molecular weight of these high-molecular compounds needs not less than 10,000 for producing the desired synergistic effect in combination with a polymerizable monomer (B) of the formula (I) which is the second component of the composition of the present invention. It is especially preferable in terms of coatability, coating film surface tackiness and chemical resistance that the weight-average molecular weight of the high-molecular compound is in the range of 30,000 to 300,000.
-
- Typical examples of such polymerizable monomer are tris(meth)acrylolyoxyethyl isocyanurate, tris(meth)acryloyloxypropyl isocyanurate, and di(meth)acryloyloxyethylhydroxyethyl isocyanurate.
- In the case of using these polymerizable monomers having a weight-average molecular weight of not less than 10,000 and a polymerizable double bond in the side chain in combination with a high-molecular compound (A) and forming a coating film after removing the solvent, these polymerizable monomers can provide a coating film which is small in tackiness, not adherent to the mask film and high in sensitivity.
- It is preferable to add a third component (C) to the composition of the present invention. The third component is at least one substance selected from N-vinyl-2-pyrrolidone, monomers having the structural units represented by the following formula (II) and urethane (meth)acrylate compounds.
- The addition of this third component improves adhesiveness to the glass epoxy substrate, paper phenol substrate, copper surface and solder surface.
-
- As the urethane (meth)acrylate compounds usable as the third component in the present invention, reaction products obtained by reacting diisocyanate compounds with compounds having one (meth)acrylate group and one hydroxyl group in the molecule, and reaction products obtained by reacting compounds having (meth)acrylate group and hydroxyl group in the molecule with diisocyanate compounds obtained by reacting diol compounds and diisocyanate compounds may be examplified.
- As the diisocyanate compounds, lysine diisocyanate, hexamethylene diisocyanate, trimethylhexamethylene diisocyanate, diphenylmethane diisocyanate, hydrogenated diphenylmethane diisocyanate, toluene diisocyanate, hydrogenated toluene diisocyanate and the like may be examplified.
- As the compounds having one (meth)acrylate group and one hydroxyl group in the molecule, 2-hydroxyethyl (meth)acrylate, 2-hydroxypropyl (meth)acrylate, CH₂=CHCOOCH₂CH₂O-pH (wherein p is an integer of not less than 2),
- As the diol compounds, ethylene glycol, propylene glycol, diethylene glycol, butanediol, hexanediol, neopentyl glycol, hexylene glycol, dihydroxyethyl ether of bisphenol A, dihydroxyethyl ether of hydrogenated bisphenol A, cyclohexane dimethanol, dihydroxyethyl ether of bisphenol A tetrabromide, and diol-terminated polyester compounds may be exemplified
- As the photopolymerization initiator used as the fourth component (D) in the present invention, there can be mentioned benzoin, benzoin alkyl ethers, anthraquinone derivatives, benzanthrone derivatives, 2,2-dimethoxy-2-phenylacetone, 1-hydroxycyclohexyl phenyl ketone, 2-methyl-[4-(methylthio)phenyl]-2-morpholino-1-propanone, benzyl derivatives, benzophenone derivatives, 4,4ʹ-bis-dimethylaminobenzophenone, xanthone derivatives, thioxanethone derivatives, biimidazoles, trichloromethyl-s-triazines, 3,4,3ʹ,4ʹ-tetra(t-butylperoxycarbonyl)benzophenone, and combinations of these compounds with pigments, amine compounds such as dialkylaminobenzoic acid alkyl esters, allythiourea, N-phenylglycine, etc.
- As the coating solvent (E), there can be used any of those having a proper melting point and capable of dissolving the composition, the examples thereof being methyl ethyl ketone, methyl isopropyl ketone, methyl isobutyl ketone, methyl cellosolve, ethyl cellosolve, butyl cellosolve, propylene glycol monomethyl ether, propylene glycol monoethyl ether, cyclohexanone, cellosolve acetate, carbitol, and carbitol acetate.
- The high-molecular compound (A) which is an essential component of the photopolymerizable composition of the present invention, and have a weight-average molecular weight of not less than 10,000 and a polymerizable double bond in the side chain is contained in an amount of 10 to 80% by weight, preferably 10 to 50% by weight based on the total solid content excluding the coating solvent.
- The polymerizable monomer (B) of the formula (I) which is another essential component of the composition of the present invention is contained in an amount of 10 to 70% by weight, preferably 15 to 50% by weight based on the total solid content.
- The compound (C) is used in an amount of not more than 40% by weight, preferably 5 to 25% by weight based on the total solid content.
- The photopolymerization initiator (D) is used in an amount of 0.05 to 10% by weight, preferably 0.3 to 6% by weight based on the total solid content.
- The composition of the present invention may further contain an ordinary (meth)acrylate compound such as epoxy (meth)acrylate compounds, ester (meth)acrylate compounds and the like.
- It is also possible to add the inorganic fine particles of not more than 10 µm in average diameter. For example, talc, calcium carbonate, silica, barium sulfate, clay, kaolin and the like can be used as such particles. The amount of such inorganic fine particles added is in the range of 10 to 50% by weight based on the total solid content.
- Other additives such as heat polymerization inhibitor, colorant, plasticizer, print-out material, flame retardant, etc., may be blended as desired.
- Various coating methods such as roll coating, curtain coating, screen printing, etc., can be employed for coating the composition of the present invention on a base plate. In the case of curtain coating, it is recommended to adjust the viscosity of the composition just before coating to 100 to 1,500 cps, preferably 150 to 500 cps. After the composition has been duly coated on the whole surface of a printed circuit board and the like,the solvent is removed and then the area where solder is not to be deposited is masked, followed by image exposure and development. For the development, a 1,1,1-trichloroethane solution or a weakly alkaline solution is preferably used as developer.
- The composition of the present invention exhibits very good developability especially when these developers are used.
- Other applications of the composition of the present invention include permanent protective coat of electronic parts and conductors, insulating protective film for integrated circuits, other permanent protective coats and precision image resist. It can be also applied to various types of resists and printing plates.
- The photopolymerizable composition of the present invention has excellent resolving performance, high sensitivity, high solvent resistance and good adhesiveness to solder. It is also suited for forming a coating film which can serve as a protective mask, such as a solder resist for printed circuit boards.
- The present invention will be described more particularly below by showing the examples thereof as well as comparative examples, but the invention is not limited in its scope by these examples but can be otherwise embodied without departing from the scope and spirit of the invention.
- The compounds shown in Table 1 of the parts by weight also shown in the Table 1, and 1 part by weight of benzophenone, 0.4 parts by weight of Michler's ketone and 0.2 parts by weight of phthalocyanine green were dissolved or dispersed in 100 parts by weight of methyl cellosolve to form a photosensitive solution (400 cps in viscosity), and this solution was coated on a printed circuit board by using a curtain coater and dried to obtain a 70 µm thick coating film. The viscosity was measured by an E type viscometer at a rotor speed of 20 r.p.m. in a state where the photo-sensitive solution was moving to an extent that the thixotropy of the solution wouldn't substantially take place. Then the coating film was exposed through an image masking film by a 2 KW ultra-high pressure mercury lamp from a distance of 60 cm, and the degree of adhesion of the masking film was evaluated.
- Then the coating film was subjected to spray development with a 1,1,1-trichloroethane developing-solution for 2 minutes to obtain a resist image. After evaluating the developability and sensitivity, the film was exposed by using a high-pressure mercury lamp of 80 W/cm in light intensity from a distance of 20 cm at a conveyor speed of 1 m/min and then subjected to a heat treatment at 135°C for 20 minutes to prepare a sample for evaluation. The results are shown in Table 1.
- The evaluation methods for the respective items of evaluation are explained below.
-
- 1 ..... No tackiness. Positioning of the masking film could be done without a hitch, and there took place no adhesion of the film after exposure.
- 2 ..... Slight tackiness was observed, but it offered no problem practically.
- 3-4 ... The coating film had tackiness. It caused some difficulties in positioning the masking film. There was observed adhesion of the masking film after exposure.
- 5 ..... The coating film had a fairly high degree of tackiness. It was hard to peel off the masking film after exposure.
-
- The number of solid steps was recorded by using Kodak 21-Step Wedge.
- Each sample was immersed in dichloromethane at room temperature for one hour, and the separation of the resist and the resist surface roughness were visually observed.
- The resist provided on a solder through-holed base plate was immersed in solder of 265°C for 5 seconds, and then the resist on the solder circuit was cut into 100 equal portions and subjected to a cellophane tape peel-test, observing whether the resist was peeled off or not.
-
- The compounds shown by symbols in the tables are as follows:
-
- Weight-average molecular weight (hereinafter referred to as Mw) = 17 × 10⁴
-
- Diallyl phthalate polymer "Daiso Isodap" (made by Osaka Soda Co., Ltd.) Mw = 5 × 10⁴
-
-
- N-vinyl-2-pyrrolidone
-
-
- U-108A (urethane acrylate produced by Shin Nakamura Kagaku K.K.)
- A-IP-A
(wherein A and IP represent the same as defined above) -
-
-
- SP-1507 (bisphenol A type epoxy acrylate produced by Showa Kobunshi K.K.)
- Trimethylolpropane triacrylate
Claims (11)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP134532/86 | 1986-06-10 | ||
JP61134532A JPS62290705A (en) | 1986-06-10 | 1986-06-10 | Photopolymerizable composition |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0249468A2 true EP0249468A2 (en) | 1987-12-16 |
EP0249468A3 EP0249468A3 (en) | 1988-09-07 |
EP0249468B1 EP0249468B1 (en) | 1991-02-27 |
Family
ID=15130520
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP87305155A Expired - Lifetime EP0249468B1 (en) | 1986-06-10 | 1987-06-10 | Photopolymerizable composition |
Country Status (6)
Country | Link |
---|---|
US (1) | US4920037A (en) |
EP (1) | EP0249468B1 (en) |
JP (1) | JPS62290705A (en) |
KR (1) | KR880000823A (en) |
CA (1) | CA1288539C (en) |
DE (1) | DE3768145D1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0530613A1 (en) * | 1991-09-03 | 1993-03-10 | Agfa-Gevaert AG | Image forming element with a photopolymerizable monomer |
EP0738927A2 (en) * | 1995-04-19 | 1996-10-23 | Hitachi Chemical Company, Ltd. | Photosensitive resin composition and photosensitive element using the same |
EP1291718A2 (en) * | 2001-09-11 | 2003-03-12 | Fuji Photo Film Co., Ltd. | Photopolymerizable composition |
EP1840653A1 (en) * | 2006-03-31 | 2007-10-03 | FUJIFILM Corporation | Method for preparation of lithographic printing plate and lithographic printing plate precursor |
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US5483104A (en) * | 1990-01-12 | 1996-01-09 | Paradigm Technology, Inc. | Self-aligning contact and interconnect structure |
US5166771A (en) * | 1990-01-12 | 1992-11-24 | Paradigm Technology, Inc. | Self-aligning contact and interconnect structure |
DE69116933T2 (en) * | 1990-06-04 | 1996-07-11 | Canon Kk | Photosensitive element for electrophotography |
US5153102A (en) * | 1990-08-10 | 1992-10-06 | Industrial Technology Research Institute | Alkalline-solution-developable liquid photographic composition |
EP2087021B1 (en) * | 2006-10-27 | 2011-12-28 | Basf Se | Radiation-curable mixture containing low-molecular, ethylenically unsaturated compounds having non-aromatic ring systems |
TWI635365B (en) * | 2014-08-21 | 2018-09-11 | 日商富士軟片股份有限公司 | Sublayer film forming composition, laminate, pattern forming method, imprint forming kit, and device manufacturing method |
TWI632188B (en) * | 2014-08-27 | 2018-08-11 | 日商富士軟片股份有限公司 | Underlayer film forming resin composition, laminated body, pattern forming method, imprint forming kit and element manufacturing method |
Citations (13)
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DE2238567A1 (en) * | 1971-08-06 | 1973-02-15 | Fuji Photo Film Co Ltd | Photosensitive compsn - for relief printing plates, based on soluble linear polyamide and photopolymerisable monomer |
FR2251031A1 (en) * | 1973-11-08 | 1975-06-06 | Eastman Kodak Co | |
US3907865A (en) * | 1973-06-20 | 1975-09-23 | Kansai Paint Co Ltd | Photopolymerizable vinylurethane monomer |
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FR2307293A1 (en) * | 1975-04-08 | 1976-11-05 | Ube Industries | PHOTO-CURING COMPOSITION |
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EP0065285A2 (en) * | 1981-05-20 | 1982-11-24 | Hoechst Aktiengesellschaft | Photopolymerisable composition and copying material made therefrom |
JPS581142A (en) * | 1981-06-25 | 1983-01-06 | Hitachi Chem Co Ltd | Photosensitive resin composition and photosensitive resin composition laminate |
JPS5825371A (en) * | 1981-08-06 | 1983-02-15 | Toyobo Co Ltd | Ultraviolet-curing ink composition for printed circuit |
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US4435497A (en) * | 1981-06-19 | 1984-03-06 | Ciba-Geigy Corporation | Carboxyl-containing compositions and their polymerization |
JPS5946643A (en) * | 1982-09-09 | 1984-03-16 | Fuji Photo Film Co Ltd | Photosensitive lithographic printing plate |
US4528332A (en) * | 1983-01-06 | 1985-07-09 | Asahi Kasei Kogyo Kabushiki Kaisha | Epoxy compounds, process for the preparation thereof and resist materials comprising thereof |
JPS60147425A (en) * | 1984-01-11 | 1985-08-03 | Nitto Electric Ind Co Ltd | Curable resin composition |
JPS6128545A (en) * | 1984-07-18 | 1986-02-08 | Hitachi Ltd | Resin composition, laminate, and their preparation |
-
1986
- 1986-06-10 JP JP61134532A patent/JPS62290705A/en active Pending
-
1987
- 1987-06-09 CA CA000539185A patent/CA1288539C/en not_active Expired - Fee Related
- 1987-06-09 KR KR870005853A patent/KR880000823A/en not_active Application Discontinuation
- 1987-06-10 DE DE8787305155T patent/DE3768145D1/en not_active Expired - Fee Related
- 1987-06-10 EP EP87305155A patent/EP0249468B1/en not_active Expired - Lifetime
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1989
- 1989-09-13 US US07/406,180 patent/US4920037A/en not_active Expired - Fee Related
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0530613A1 (en) * | 1991-09-03 | 1993-03-10 | Agfa-Gevaert AG | Image forming element with a photopolymerizable monomer |
US5328804A (en) * | 1991-09-03 | 1994-07-12 | Agfa Gevaert Aktiengesellschaft | Image producing element containing a photopolymerizable monomer |
EP0738927A2 (en) * | 1995-04-19 | 1996-10-23 | Hitachi Chemical Company, Ltd. | Photosensitive resin composition and photosensitive element using the same |
EP0738927A3 (en) * | 1995-04-19 | 1997-08-20 | Hitachi Chemical Co Ltd | Photosensitive resin composition and photosensitive element using the same |
US5744282A (en) * | 1995-04-19 | 1998-04-28 | Hitachi Chemical Co., Ltd. | Photosensitive resin compositions and photosensitive element using the same |
US6228560B1 (en) | 1995-04-19 | 2001-05-08 | Hitachi Chemical Company, Ltd. | Photosensitive resin composition and photosensitive element using the same |
US6555290B1 (en) | 1995-04-19 | 2003-04-29 | Hitachi Chemical Co., Ltd. | Photosensitive resin composition and photosensitive element using the same |
EP1291718A2 (en) * | 2001-09-11 | 2003-03-12 | Fuji Photo Film Co., Ltd. | Photopolymerizable composition |
EP1840653A1 (en) * | 2006-03-31 | 2007-10-03 | FUJIFILM Corporation | Method for preparation of lithographic printing plate and lithographic printing plate precursor |
Also Published As
Publication number | Publication date |
---|---|
US4920037A (en) | 1990-04-24 |
EP0249468B1 (en) | 1991-02-27 |
KR880000823A (en) | 1988-03-29 |
DE3768145D1 (en) | 1991-04-04 |
JPS62290705A (en) | 1987-12-17 |
CA1288539C (en) | 1991-09-03 |
EP0249468A3 (en) | 1988-09-07 |
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